XML 53 R42.htm IDEA: XBRL DOCUMENT
v3.23.3

Note 5 - Fair Value Measurements - Fair Value Measurements (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Jun. 30, 2023
--- | --- | ---
Investments (2) | [1] | $ 106,284 | $ 110,577
Total |  | 123,382 | 134,500
Money Market Funds [Member] |  |  |
Corporate money market funds (1) | [2] | 17,098 | 23,923
Fair Value, Inputs, Level 1 [Member] |  |  |
Investments (2) | [1] | 0 | 0
Total |  | 17,098 | 23,923
Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member] |  |  |
Corporate money market funds (1) | [2] | 17,098 | 23,923
Fair Value, Inputs, Level 2 [Member] |  |  |
Investments (2) | [1] | 106,284 | 110,577
Total |  | 106,284 | 110,577
Fair Value, Inputs, Level 2 [Member] | Money Market Funds [Member] |  |  |
Corporate money market funds (1) | [2] | 0 | 0
Fair Value, Inputs, Level 3 [Member] |  |  |
Investments (2) | [1] | 0 | 0
Total |  | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Money Market Funds [Member] |  |  |
Corporate money market funds (1) | [2] | $ 0 | $ 0
[1] | Our investments as of September 30, 2023 and June 30, 2023 consisted solely of U.S. Treasury Bills with maturities of less than one year. We classify our investments as available-for-sale debt investments. The fair value of our underlying investments is based on observable inputs. Our investments are classified as Level 2 and are included in Investments (short-term) within the consolidated balance sheets. All unrealized gains and losses were included in Accumulated other comprehensive loss within the consolidated balance sheets. There were no material gross unrealized gains or losses on the investments at September 30, 2023 or June 30, 2023.
[2] | We invest excess cash in money market accounts and short-term investments. Our corporate money market funds are readily convertible into cash and the net asset value of each fund on the last day of the quarter is used to determine its fair value. Our corporate money market funds are classified as Level 1 assets and are included in Cash and cash equivalents within the consolidated balance sheets.

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
Name: | us-gaap_CashAndCashEquivalentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_InvestmentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_CashAndCashEquivalentsAxis=us-gaap_MoneyMarketFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |